Eutrophication is the main factor for the degradation of lake ecosystem.
富营养化是导致湖泊生态系统退化的主要因素。
It is demonstrated that the recovery of lake ecosystem may greatly improve water quality.
实践证明，湖泊生态系统恢复可以显著改善水质。
Assessment of lake ecosystem health is the basis of lake environmental management and ecosystem control.
湖泊生态系统健康评价是湖泊环境管理和生态系统调控的基础。
Lake is one relatively complete ecosystem.
湖泊是一个相对完整的生态系统。
Lake is one relatively complete ecosystem.
湖泊是一个相对完整的生态系统。
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